Vivziepop, also referred to as Vivienne Medrano, is a YouTube animator and 2D artist. On her YouTube channel she created on September 9, 2012, she posts animations of her own imaginary characters, while on her Tumblr, she posts still artworks of those characters.

Vivziepop owns the two popular adult animation series, Helluva Boss (released 2020) and Hazbin Hotel (released 2024). Both shows started with pilot episodes in 2019: on November 25 and October 28, respectively. Vivziepop has worked with musicians Sam Haft, Andrew Underberg, and Jefferson Friedman for the songs in both series. In particular, she has worked with the former two for the soundtrack of Hazbin Hotel’s first season.